CVE-2021-42669
Sourcecodester Engineers Online Portal File Upload RCE Vulnerability
Description
A file upload vulnerability exists in Sourcecodester Engineers Online Portal in PHP via dashboard_teacher.php, which allows changing the avatar through teacher_avatar.php. Once an avatar gets uploaded it is getting uploaded to the /admin/uploads/ directory, and is accessible by all users. By uploading a php webshell containing "<?php system($_GET["cmd"]); ?>" the attacker can execute commands on the web server with - /admin/uploads/php-webshell?cmd=id.
INFO
Published Date :
Nov. 5, 2021, 1:15 p.m.
Last Modified :
Nov. 21, 2024, 6:27 a.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
5.9
Exploitability Score :
3.9
Public PoC/Exploit Available at Github
CVE-2021-42669 has a 8 public PoC/Exploit available at Github.
Go to the Public Exploits tab to see the list.
Affected Products
The following products are affected by CVE-2021-42669
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2021-42669.
| URL | Resource |
|---|---|
| https://github.com/TheHackingRabbi/CVE-2021-42669 | Exploit Third Party Advisory |
| https://github.com/nu11secur1ty/CVE-mitre/tree/main/CVE-2021-42671 | Exploit Third Party Advisory |
| https://www.sourcecodester.com/php/13115/engineers-online-portal-php.html | Product Third Party Advisory |
| https://github.com/TheHackingRabbi/CVE-2021-42669 | Exploit Third Party Advisory |
| https://github.com/nu11secur1ty/CVE-mitre/tree/main/CVE-2021-42671 | Exploit Third Party Advisory |
| https://www.sourcecodester.com/php/13115/engineers-online-portal-php.html | Product Third Party Advisory |
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
All CVE - PoC in GitHub
poc proofofconcept tester allcve cvegithub cvenew cvepoc cveupdate
None
None
Python Shell C Makefile Assembly JavaScript C++ C# Ruby Rich Text Format
None
None
None
CVE-2021-42669 - Remote code execution via unrestricted file upload vulnerability in the Engineers online portal system.
Python
https://cve.mitre.org/
Go Python YARA Rich Text Format Shell C Makefile M4 Roff sed
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2021-42669 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2021-42669 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
CVE Modified by af854a3a-2127-422b-91ae-364da2661108
Nov. 21, 2024
Action Type Old Value New Value Added Reference https://github.com/nu11secur1ty/CVE-mitre/tree/main/CVE-2021-42671 Added Reference https://github.com/TheHackingRabbi/CVE-2021-42669 Added Reference https://www.sourcecodester.com/php/13115/engineers-online-portal-php.html -
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
Modified Analysis by [email protected]
Nov. 29, 2021
Action Type Old Value New Value Changed Reference Type https://github.com/nu11secur1ty/CVE-mitre/tree/main/CVE-2021-42671 No Types Assigned https://github.com/nu11secur1ty/CVE-mitre/tree/main/CVE-2021-42671 Exploit, Third Party Advisory -
CVE Modified by [email protected]
Nov. 24, 2021
Action Type Old Value New Value Added Reference https://github.com/nu11secur1ty/CVE-mitre/tree/main/CVE-2021-42671 [No Types Assigned] -
Initial Analysis by [email protected]
Nov. 09, 2021
Action Type Old Value New Value Added CVSS V2 NIST (AV:N/AC:L/Au:N/C:C/I:C/A:C) Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Changed Reference Type https://github.com/TheHackingRabbi/CVE-2021-42669 No Types Assigned https://github.com/TheHackingRabbi/CVE-2021-42669 Exploit, Third Party Advisory Changed Reference Type https://www.sourcecodester.com/php/13115/engineers-online-portal-php.html No Types Assigned https://www.sourcecodester.com/php/13115/engineers-online-portal-php.html Product, Third Party Advisory Added CWE NIST CWE-434 Added CPE Configuration OR *cpe:2.3:a:engineers_online_portal_project:engineers_online_portal:-:*:*:*:*:*:*:*
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2021-42669 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2021-42669
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
43.09 }} 18.90%
score
0.97236
percentile